The closure begins at 5:30 a.m. and could last until Monday at 5 a.m., as workers install steel girders for a new ramp, the state Department of Transportation and Development said. The I-10 ramp to northbound Causeway also will close.

Northbound Causeway drivers will be detoured onto I-10, where they may go east and exit at Bonnabel or west to exit at Clearview.